Thomas Beetham - Sep 16, 2021 Form 4 Insider Report for Magenta Therapeutics, Inc. (MGTA)

Role: Chief Legal Officer and Secretary
Signature: /s/ Cindy Driscoll, Attorney-in-Fact for Thomas W. Beetham
Stock symbol: MGTA
Transactions as of: Sep 16, 2021
Transactions value $: -$41,073
Form type: 4
Date filed: 9/20/2021, 05:00 PM
Previous filing: Sep 16, 2021
Next filing: Feb 17, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MGTA	Common Stock	Sale	-$41.1K	-6.1K	-30.51%	$6.73^*	13.9K	Sep 16, 2021	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction represents shares sold solely to pay taxes due upon the vesting of restricted stock units, as disclosed by the reporting person on the Form 4 filed on September 16, 2021.
F2	The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.60 to $6.87, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Content

This transaction represents shares sold solely to pay taxes due upon the vesting of restricted stock units, as disclosed by the reporting person on the Form 4 filed on September 16, 2021.

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.60 to $6.87, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

Chief Legal Officer and Secretary